Linux · Linux Kernel & Modules

A multiprocessor box won't boot cleanly, and you suspect SMP or hyperthreading. Which boot options let you dial back the CPUs, and how do maxcpus=0, nosmp, and noht relate?

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More in Linux Kernel & Modules

A driver is clearly working but its module name never appears in lsmod output. What is the most likely explanation?

What does it mean that the Linux kernel is modularized, and why is that an advantage when you swap out hardware?

When you plug in a USB stick and its filesystem module loads on its own, which kernel component did that, and what configures it?

Why does each installed kernel version get its own separate module directory, and how do you find the right one for the running kernel?

You need to load a module by name and want its dependencies pulled in automatically. Do you reach for insmod or modprobe, and why does the distinction matter?

How do you find out which kernel module is actually driving a given PCI device versus which modules are merely available for it?

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